This Smooth-Fit 16mm x 8mm adapter is designed for indoor use with an easy installation process. It allows you to branch off from a length of trunking, enabling a seamless joint and a neat installation. The T-splitter can be installed on a flat surface such as a wall, allowing cables to leave the trunking or for a third piece of trunking. This size is perfect for speaker cable, ideal for stages, schools, pubs, and restaurants. The adapter can be painted to match any décor. All Loops trunking and adapters adhere to BS EN 50085-1:2005 part 1 and are made from self-extinguishing & UV Stabilised PVC, preventing discoloration from sunlight. Smooth-Fit adapters connect trunking without tools or glue, simply slotting in and held by a snap seal for a sleek finish. Installation involves cutting trunking to size with a hacksaw or D-shaped tool and sliding the adapter in to join pieces.